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Peter Hartley

@vicgrinberg Why are there (hypothesised to be) _small_ black holes? (Primordial ones, for instance.) Without the pressure and gravity of several solar masses' worth of stuff, why wouldn't the black hole matter immediately "pop back out" into being normal matter again? There aren't AFAIK arbitrarily-small neutron stars, for exactly that reason, so why do people think black holes can be small?